St. Hilaire, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for St. Hilaire, a city in Pennington County, Minnesota.
Today
71°F
Sunny
Sunny. High near 71, with temperatures falling to around 69 in the afternoon. West northwest wind around 14 mph.
7-day forecast for St. Hilaire
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 71°F | Sunny | 14 mph WNW | 0% |
| Tonight | 49°F | Mostly Clear | 3 to 13 mph SW | 0% |
| Wednesday | 79°F | Sunny | 5 to 14 mph SW | 0% |
| Wednesday Night | 57°F | Slight Chance Rain Showers | 12 mph SW | 19% |
| Thursday | 81°F | Sunny | 8 to 13 mph WSW | 6% |
| Thursday Night | 58°F | Mostly Clear | 6 to 10 mph SW | 4% |
| Friday | 79°F | Sunny | 6 to 13 mph W | 3% |
| Friday Night | 54°F | Mostly Clear | 3 to 12 mph NNE | 9% |
| Saturday | 78°F | Mostly Sunny | 3 to 12 mph NE | 9% |
| Saturday Night | 56°F | Mostly Clear | 5 to 12 mph NNE | 14% |
| Sunday | 77°F | Mostly Sunny | 5 to 10 mph N | 12% |
| Sunday Night | 56°F | Partly Cloudy then Slight Chance Rain Showers | 5 to 10 mph NNE | 22% |
| Monday | 77°F | Slight Chance Rain Showers then Mostly Sunny | 5 to 10 mph NNE | 22% |
| Monday Night | 56°F | Slight Chance Rain Showers | 5 to 10 mph NNE | 15% |
Forecast source: National Weather Service (api.weather.gov) for St. Hilaire (48.013, -96.214). Updated through the day.
Growing snapshot for St. Hilaire
Last spring frost
May 9
First fall frost
Sep 30
Growing season
142 days
Hardiness zone
3b
More local growing data for St. Hilaire: nearby ZIP 56754 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Red Lake Falls, Mn (8.5 mi from St. Hilaire). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.